- Ge Energy Korea Ltd.
- Address:Bently Bldg.,106-2 Yangjae-dong ,Seocho-gu
- Joong Ang Corporation
- Address:No.289-12, Jangang 4-dong, Dongdaemun Ku, Seoul, Korea
- INSSOL CO.,Ltd
- Address:447-2 Geo Song Building Fifth Floor
- Eunhee Kim
- Address:Kwango-dong Doosan Apartment 103-1301
- DONG IL TECHNOLOGY LTD.,
- Address:Buk yang-dong
- Eunjoon Tech
- Address:Hwajung 164
- Snu Precision Co.,Ltd.
- Address:#201 Dong-a town,Bongcheon 7-dong ,Gwanak-gu
- winterstory
- Address:Seoul
- one n zero
- Address:
- HBE PRESS CO LTD
- Address:699-1 Ahnyoungdong Junggu
- XAVIS CO LTD
- Address:Kumgang high tech valley. 133-1 sangdaewon
- LIGNex1
- Address:Pruenctial Tower, , 838, Yoksam-Dong, Kangnam-Gu
- Deashin Electronics Company
- Address:,Sinjeong 5-dong ,Yangcheon-gu
- Mirae E&I Co Ltd
- Address:401, IT Mirae-Tower, 60-21, Gasan-Dong, Geumcheon Gu
- Highsystek.Co.,Ltd.
- Address:#178-273, Ga-Jwa 1 Dong, Seo-gu,
- Korea Instrument System Ltd.
- Address:108-11,Seongsan-dong ,Mapo-gu
- UTRON CO LTD
- Address:B-602, 6F, WoolimLion'sValley 5th, 144-3, Sandaewon-dong, Jungwon-gu
- Song Jee Industrial Corp.
- Address:5442-1,Sangdaewon-dong ,Jungwon-gu, Seongnam-si
- Kodi-S
- Address:574-1,Muk-ri ,Idong-myeon ,Yongin-si
- Samsei International
- Address:400-82, Galsan-dong, Dalseo-gu